Use a caution callout box to provide critical information that a user can’t reverse if they continue with the task.
Use caution callout boxes in the following situations:
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To warn a user of data loss
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To warn a user that an action can corrupt their data
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To let a user know that there’s a consequence they can’t reverse
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To tell a user to back up their data before they continue
For more guidance on using caution callout boxes, see Best practices for using callout boxes.